20 lines · c
1for (int c0 = a; c0 <= min(a + 9, b); c0 += 1)2 s0(c0);3for (int c0 = a + 10; c0 <= min(a + 19, b); c0 += 1) {4 s0(c0);5 s1(c0);6}7for (int c0 = max(a + 10, b + 1); c0 <= min(a + 19, b + 10); c0 += 1)8 s1(c0);9for (int c0 = a + 20; c0 <= b; c0 += 1) {10 s0(c0);11 s1(c0);12 s2(c0);13}14for (int c0 = max(a + 20, b + 1); c0 <= b + 10; c0 += 1) {15 s1(c0);16 s2(c0);17}18for (int c0 = max(a + 20, b + 11); c0 <= b + 20; c0 += 1)19 s2(c0);20